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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-12-30 14:54:43 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-12-30 14:54:43 +0000 |
commit | b3aa316f2e4affe5e17c50a178e6c25c08be30c5 (patch) | |
tree | 5049d401a207143ebb88ae56dc470424168093c5 /nuttx/arch/arm/src/stm32/stm32_gpio.c | |
parent | e20ee86ffd4d06095641bcecd3dfb0f91552eb89 (diff) | |
download | px4-nuttx-b3aa316f2e4affe5e17c50a178e6c25c08be30c5.tar.gz px4-nuttx-b3aa316f2e4affe5e17c50a178e6c25c08be30c5.tar.bz2 px4-nuttx-b3aa316f2e4affe5e17c50a178e6c25c08be30c5.zip |
STM32 GPIO fix; Fixes for PIC32 USB term example
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4241 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_gpio.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_gpio.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_gpio.c b/nuttx/arch/arm/src/stm32/stm32_gpio.c index 6787c5777..c514ff954 100644 --- a/nuttx/arch/arm/src/stm32/stm32_gpio.c +++ b/nuttx/arch/arm/src/stm32/stm32_gpio.c @@ -563,9 +563,17 @@ int stm32_configgpio(uint32_t cfgset) putreg32(regval, base + STM32_GPIO_OTYPER_OFFSET); - /* If it is an input pin, hould it configured as an EXTI interrupt? */ + /* If it is an output... set the pin to the correct initial state. */ + + if (pinmode == GPIO_MODER_OUTPUT) + { + bool value = ((cfgset & GPIO_OUTPUT_SET) != 0); + stm32_gpiowrite(cfgset, value); + } + + /* Otherwise, it is an input pin. Should it configured as an EXTI interrupt? */ - if ((cfgset & GPIO_EXTI) != 0) + else if ((cfgset & GPIO_EXTI) != 0) { /* "In STM32 F1 the selection of the EXTI line source is performed through * the EXTIx bits in the AFIO_EXTICRx registers, while in F2 series this @@ -590,14 +598,6 @@ int stm32_configgpio(uint32_t cfgset) putreg32(regval, regaddr); } - - /* If it is an output... set the pin to the correct initial state. */ - - else if (pinmode == GPIO_MODER_OUTPUT) - { - bool value = ((cfgset & GPIO_OUTPUT_SET) != 0); - stm32_gpiowrite(cfgset, value); - } irqrestore(flags); return OK; |